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The Giant Mill Bat is the main antagonist of the 1990 American horror film Graveyard Shift.

When several workers attempt to clean out the rat-filled basement of a newly reopened textile mill, they find a labyrinth of tunnels inhabited by a gigantic bat.


The Giant Mill Bat is an enormous hairless bat the size of a man.

Powers and Abilities

The Giant Mill Bat possesses the following powers and abilities:

  • Sharp fangs
  • Flight
  • Echolocation


The Giant Mill Bat is killed after it is pulled into and crushed by a large textile machine.


  • The film was loosely based on a 1970 short story by Stephen King.

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